Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLEXUS1999RX 300 AWD V6-3.0L (1MZ-FE)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYSYSTEM SPECIFICATIONSCRANKSHAFT MAIN BEARINGSERVICE SPECIFICATIONS
1999 Lexus RX 300 AWD V6-3.0L (1MZ-FE)
Service Specifications
1999 Lexus RX 300 AWD V6-3.0L (1MZ-FE)SECTION Service Specifications
12 Pointed Head Bolts
Standard Diameter 7.500-7.600 mm
Minimum Diameter 7.20 mm
12 Pointed Head Bolt
Torque
Step 1 22 Nm
Step 2 Turn extra 90 degrees
Hexagon Head Bolts
Torque 27 Nm
Standard
No.1 and No.4 Journals 0.014-0.034 mm
No.2 and No.3 Journals 0.026-0.046 mm
Maximum
No.1 and No.4 Journals 0.05 mm
No.2 and No.3 Journals 0.06 mm
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.